19364116456 has 32 divisors (see below), whose sum is σ = 38245284000. Its totient is φ = 9166084416.

The previous prime is 19364116423. The next prime is 19364116459. The reversal of 19364116456 is 65461146391.

It is a super-2 number, since 2×19364116456² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19364116459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178110 + ... + 265426.

It is an arithmetic number, because the mean of its divisors is an integer number (1195165125).

Almost surely, 2^19364116456 is an apocalyptic number.

It is an amenable number.

19364116456 is a deficient number, since it is larger than the sum of its proper divisors (18881167544).

19364116456 is a wasteful number, since it uses less digits than its factorization.

19364116456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88801 (or 88797 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The spelling of 19364116456 in words is "nineteen billion, three hundred sixty-four million, one hundred sixteen thousand, four hundred fifty-six".